Although online auctions constitute one of the most successful Internet business models, auction fraud has become the largest component of all Internet fraud. Traditional government organizations have joined auction businesses in trying to develop new mechanisms to fight this problem. In parallel with these institutional efforts, various auction communities are waging a less visible, covert war. <p>Unfortunately, these various entities act in unilateral and even contradictory ways that diminish their combined efforts. To resolve this inefficiency, the authors propose empowering auction communities to integrate their work with that of governments and auction institutions.</p>